Yerkes Observatory
| Title | Yerkes Observatory |
| View | Cunningham comet, C/1940 R2 (Cunningham) 2 |
| Series | II: Buildings and Grounds |
| Description | Comet Cunningham. Photographed with the 24-inch reflector of the Yerkes Observatory, December 24, 1940. Exposure 20 minutes. |
| Subject Terms | Cunningham, Leland Erskin, 1904-1989 | Cunningham comet | Comets | Reflecting telescopes | Astronomical photography |
| Photograph Date | 1940-12-24 |
| Physical Format | Photographic prints; 17.5 x 21.3 cm |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf2-08710 |
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